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MC54-74HC354 Datasheet(Hoja de datos) 1 Page - Motorola, Inc

No. de Pieza. MC54-74HC354
Descripción  8-Input Data Selector/Multiplexer With Data and Address Latches and 3-State Outputs
Descarga  9 Pages
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Fabricante  MOTOROLA [Motorola, Inc]
Página de inicio  http://www.freescale.com
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
REV 7
© Motorola, Inc. 1995
10/95
8-Input Data Selector/
Multiplexer With Data and
Address Latches and
3-State Outputs
High–Performance Silicon–Gate CMOS
The MC54/74HC354 is identical in pinout to the LS354. The device
inputs are compatible with Standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
The HC354 selects one of eight latched binary Data Inputs, as deter-
mined by the Address Inputs. The information at the Data Inputs is stored
in the transparent 8–bit Data Latch when the Data–Latch Enable pin is
held high. The Address information may be stored in the transparent
Address Latch, which is enabled by the active–high Address–Enable pin.
The device outputs are placed in high–impedance states when Output
Enable 1 is high, Output Enable 2 is high, or Output Enable 3 is low.
The HC354 has a clocked Data Latch that is not transparent.
Output Drive Capability: 15 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS and TTL
Operating Voltage Range: 2 to 6V
Low Input Current: 1µA
High Noise Immunity Characteristic of CMOS Devices
In Compliance With the JEDEC Standard No. 7A Requirements
Chip Complexity: 326 FETs or 81.5 Equivalent Gates
LOGIC DIAGRAM
D0
8
D1
7
D2
6
D3
5
D4
4
D5
3
D6
2
D7
1
8–BIT
DATA
LATCH
(TRANS–
PARENT)
8–BIT
MULTI–
PLEXER
DATA
INPUTS
3–STATE
OUTPUT
CONTROL
Y
19
Y
18
3–STATE
DATA
OUTPUTS
DATA–LATCH
ENABLE
9
A0
14
A1
13
A2
12
ADDRESS
INPUTS
ADDRESS–LATCH
ENABLE
11
OE1
15
OE2
16
OE3
17
OUTPUT
ENABLES
ADDRESS
LATCH
(TRANS–
PARENT)
PIN 20 = VCC
PIN 10 = GND
MC54/74HC354
20
1
19
2
18
3
17
4
VCC
D7
16
5
15
6
14
7
13
8
12
9
11
10
Y
D6
Y
D5
OE3
D4
OE2
D3
OE1
D2
A0
D1
A1
D0
A2
Data–Latch
Enable
Address–Latch
Enable
GND
Pinout: 20–Lead Package (Top View)
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ORDERING INFORMATION
MC54HCXXXJ
MC74HCXXXN
MC74HCXXXDW
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
1
20
1
20
1
20




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